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What is the most important benefit of EDRA amplifiers?
A. ultra low noise
B. compact form factor
C. chassis integration
D. low cost
Which two technologies are combined for erbium-doped Raman amplification? (Choose two.)
A. erbium-doped fiber amplification
B. dispersion amplification
C. Raman amplification
D. coherent amplification
Which three factors make optical a critical component of service provider networking? (Choose three.)
A. Optical hardware has a long 10-15 year life span.
B. Optical local area networks are gaining in popularity.
C. Packet networking and optical hardware are converging.
D. Optical hardware churns frequently and needs frequent replacement.
E. Optical networking is the foundation of all WANs.
F. Many models of optical hardware have reached end-of-life.